#include<bits/stdc++.h>
using namespace std;
const int MAXN=1e5+5;
int n,a[MAXN],sum,ton[MAXN],ans;

int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        scanf("%d",&a[i]);
        ton[a[i]]++;
    }
    for(int i=1;i<=100010;i++){
        ans=max(ans,ton[i]);
    }
    printf("%d\n",ans);
    return 0;
}

